151324520 has 16 divisors (see below), whose sum is σ = 340480260. Its totient is φ = 60529792.

The previous prime is 151324483. The next prime is 151324529. The reversal of 151324520 is 25423151.

It can be written as a sum of positive squares in 2 ways, for example, as 148693636 + 2630884 = 12194^2 + 1622^2 .

It is a super-2 number, since 2×151324520² = 45798220706460800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (151324529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1891517 + ... + 1891596.

Almost surely, 2^151324520 is an apocalyptic number.

151324520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151324520 is an abundant number, since it is smaller than the sum of its proper divisors (189155740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151324520 is a wasteful number, since it uses less digits than its factorization.

151324520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783124 (or 3783120 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 151324520 is about 12301.4031719963. The cubic root of 151324520 is about 532.8886066928. Note that the first 3 decimals are identical.

Adding to 151324520 its reverse (25423151), we get a palindrome (176747671).

The spelling of 151324520 in words is "one hundred fifty-one million, three hundred twenty-four thousand, five hundred twenty".